Example usage for javax.servlet.http HttpServletRequest getRequestDispatcher

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getRequestDispatcher.

Prototype

public RequestDispatcher getRequestDispatcher(String path);

Source Link

Document

Returns a RequestDispatcher object that acts as a wrapper for the resource located at the given path.

Usage

From source file:cn.itcast.bbs.controller.BbsServlet.java

private void addTopic(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {//from ww  w . j  av a  2  s  . co m
        int id = Integer.parseInt(request.getParameter("id"));
        String title = request.getParameter("title");
        String content = request.getParameter("content");
        User user = (User) request.getSession().getAttribute("user");
        Topic t = new Topic();
        t.setTitle(title);
        t.setName(user.getUsername());
        t.setContent(content);
        t.setReplyCnt(0);
        service.addTopic(t, id);
        response.sendRedirect(request.getContextPath() + "/BbsServlet?method=showAllTopic&typeId=" + id);
    } catch (Exception e) {
        e.printStackTrace();
        request.setAttribute("message", "?");
        request.getRequestDispatcher("/WEB-INF/bbs/message.jsp").forward(request, response);
    }
}

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From source file:com.github.mike10004.stormpathacctmgr.NewPasswordFormServlet.java

/**
 * Handles the HTTP {@code GET} method. Gets the password reset token 
 * parameter value from the request query string and forwards to 
 * a JSP page for rendering./* w  w w .jav  a  2 s  .  c  o m*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, ResourceException {
    boolean tokenVerified = false;
    String token = request.getParameter(PasswordReset.PARAM_RESET_TOKEN);
    if (token != null && !token.isEmpty()) {
        checkNotNullAndNotEmpty(token, "token");
        Stormpaths stormpaths = createStormpaths();
        Application application = stormpaths.buildApplication();
        Account account;
        try {
            account = application.verifyPasswordResetToken(token);
            tokenVerified = true;
            log.log(Level.INFO, "verified token {0} and got account {1}",
                    new Object[] { StringUtils.abbreviate(token, 32), account.getEmail() });
            request.setAttribute(ATTR_TARGET_EMAIL, account.getEmail());
        } catch (ResourceException e) {
            log.log(Level.INFO, "verifyPasswordResetToken failed: {0}", (Object) e);
        }
    } else {
        log.info("'sptoken' query parameter is empty or not present");
    }
    request.setAttribute(ATTR_TOKEN_VERIFIED, tokenVerified);
    RequestDispatcher dispatcher = request.getRequestDispatcher(RESET_ENTER_NEW_PASSWORD_JSP_PATH);
    dispatcher.forward(request, response);
}

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From source file:com.hzc.framework.ssh.controller.WebUtil.java

/**
 * ??JSP_PATH?//from w  ww  .ja v a2 s.c o  m
 * ?
 *
 * @throws ServletException
 * @throws IOException
 */
private static void forward() throws RuntimeException {
    try {
        HttpServletRequest request = ActionContext.getReq();
        HttpServletResponse response = ActionContext.getResp();
        if (response.isCommitted()) {
            return;
        }
        String jspPath = null;
        String jspPathParam = request.getParameter(JSP_PATH);
        if (StringUtils.isEmpty(jspPathParam)) {
            Object jspPathObjAttr = request.getAttribute(JSP_PATH);
            if (null == jspPathObjAttr) {
                Object jspPathObjSess = request.getSession().getAttribute(JSP_PATH);
                if (null != jspPathObjSess) {
                    jspPath = (String) jspPathObjSess;
                }
            } else {
                jspPath = (String) jspPathObjAttr;
            }
        } else {
            jspPath = jspPathParam;
        }
        if (null == jspPath) {
            throw new ServletException(
                    "????jspPath?");
        }
        request.getRequestDispatcher(jspPath).forward(request, response);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:org.deegree.test.gui.StressTestController.java

@SuppressWarnings("unchecked")
private void doStep3(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    threads = Integer.valueOf(request.getParameter("threadNo"));
    requests = Integer.valueOf(request.getParameter("requestNo"));
    String imgornot = request.getParameter("imgornot");
    boolean showImage = false;
    if (imgornot != null && imgornot.equals("displayimg"))
        showImage = true;/*from  w ww .jav  a2  s .c om*/

    // process the request asynchronously
    String capab = (String) request.getSession().getAttribute("capab");
    Map<String, String> paramsSet = (HashMap<String, String>) request.getSession().getAttribute("paramsSet");

    Thread t = new Thread(new Processing(request.getSession(), threads, requests, capab, paramsSet, showImage));
    t.start();

    RequestDispatcher dispatcher = request.getRequestDispatcher("/status.jsp");

    HttpSession session = request.getSession();

    // set session attributes
    session.setAttribute("applicationState", "wait");
    session.setAttribute("operationInProgress", "WPVS");

    // send attributes to jsp page
    request.setAttribute("applicationState", "wait");
    request.setAttribute("operationInProgress", "WPVS");
    dispatcher.forward(request, response);

}

---

From source file:cn.itcast.bbs.controller.BbsServlet.java

private void addReply(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {/*from w ww .  ja  v a 2s.c  o m*/
        int topicId = Integer.parseInt(request.getParameter("topicId"));
        Reply reply = new Reply();
        reply.setTitle(request.getParameter("title"));
        reply.setContent(request.getParameter("content"));
        User user = (User) request.getSession().getAttribute("user");
        reply.setName(user.getUsername());
        request.setAttribute("topicId", topicId);
        request.setAttribute("reply", reply);
        service.addReply(reply, topicId);
        response.sendRedirect(request.getContextPath() + "/BbsServlet?method=showReply&topicId=" + topicId);
    } catch (Exception e) {
        e.printStackTrace();
        request.setAttribute("message", "?");
        request.getRequestDispatcher("/WEB-INF/bbs/message.jsp").forward(request, response);
    }
}

---

From source file:ams.fwk.channel.web.AmsRequestView.java

public void render(IRequestContext requestCtx, IResponseContext responseCtx) throws RenderException {

    super.render(requestCtx, responseCtx);

    HttpServletRequest request = (HttpServletRequest) responseCtx.getReadProtocol();

    HttpServletResponse response = (HttpServletResponse) responseCtx.getWriteProtocol();

    /*/*from   www.j  a  va 2  s. c  o  m*/
     * nc_target target ,   ?    url? .
     *  ?  properties? ? path   ? 
     */
    String target = null;
    if (request.getParameter(Constants.TARGET) != null) {
        target = BaseUtils.getConfiguration(request.getParameter(Constants.TARGET));
        if (StringUtils.isEmpty(target)) {
            target = (String) request.getParameter(Constants.TARGET);
        }
    } else {
        target = this.target;
    }

    /*
     * forward/redirect .
     */
    boolean isForwarding = true;
    if (target.startsWith(FORWARD_KEY)) {
        target = target.substring(FORWARD_KEY.length());
    } else if (target.startsWith(REDIRECT_KEY)) {
        isForwarding = false;
        target = target.substring(REDIRECT_KEY.length());
    }

    try {
        if (isForwarding) {
            request.getRequestDispatcher(target).forward(request, response);
        } else {
            String redirectPage = target.startsWith("/") ? request.getContextPath() + target : target;
            response.sendRedirect(response.encodeRedirectURL(redirectPage));
        }
    } catch (Exception e) {
        if (logger.isErrorEnabled()) {
            logger.error("Exception occurred while forward jsp to " + target, e);
        }
        e.printStackTrace();

        // ?  
        // -. ServletException
        // -. IOException
        throw new RenderException("SKFS1010", new String[] { target, e.getLocalizedMessage() }, e);
    }
}

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From source file:com.edgenius.wiki.webapp.servlet.InstallServlet.java

/**
 * @param request//from ww  w. java  2s .c  om
 * @param response
 * @throws IOException 
 * @throws ServletException 
 */
private void viewUpgrade(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String root = DataRoot.getDataRoot();
    Installation install = Installation.refreshInstallation();

    request.setAttribute("existVer", install.getVersion());
    request.setAttribute("newVer", Version.VERSION);
    request.setAttribute("root", root);
    request.getRequestDispatcher("/WEB-INF/pages/install/upgrade.jsp").forward(request, response);
}

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From source file:RestrictedService.java

/**
 * When the servlet receives a POST request.
 * // w  ww  .j  a v  a  2 s .  co  m
 * SIMILIAR DOCUMENTATION AS SAGAtoNIF PROJECT
 */
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String forward = "";
    String eurosentiment = "";
    HttpEntity entity = null;
    //HttpResponse responseMARL = null;
    HttpSession session = request.getSession();
    RequestDispatcher view;
    // Get a map of the request parameters
    Map parameters = request.getParameterMap();
    if (parameters.containsKey("input")) {
        if (parameters.containsKey("intype") && parameters.containsKey("informat")
                && parameters.containsKey("outformat")) {
            if (!request.getParameter("intype").equalsIgnoreCase("direct")) {
                forward = RESPONSE_JSP;
                eurosentiment = "intype should be direct";
                session.setAttribute("eurosentiment", eurosentiment);
                view = request.getRequestDispatcher(forward);
                view.forward(request, response);
                return;
            }
            if (!request.getParameter("informat").equalsIgnoreCase("text")) {
                forward = RESPONSE_JSP;
                eurosentiment = "informat should be text";
                session.setAttribute("eurosentiment", eurosentiment);
                view = request.getRequestDispatcher(forward);
                view.forward(request, response);
                return;
            }
            if (!request.getParameter("outformat").equalsIgnoreCase("json-ld")) {
                forward = RESPONSE_JSP;
                eurosentiment = "outformat should be json-ld";
                session.setAttribute("eurosentiment", eurosentiment);
                view = request.getRequestDispatcher(forward);
                view.forward(request, response);
                return;
            }
            //Check that in not url or the other type
            forward = RESPONSE_JSP;
            String textToAnalize = request.getParameter("input");
            try {
                if (parameters.containsKey("algo")) {
                    if (request.getParameter("algo").equalsIgnoreCase("enFinancial")) {
                        entity = callSAGA(textToAnalize, "enFinancial");
                    } else if (request.getParameter("algo").equalsIgnoreCase("enFinancialEmoticon")) {
                        entity = callSAGA(textToAnalize, "enFinancialEmoticon");
                    } else if (request.getParameter("algo").equalsIgnoreCase("ANEW2010All")) {
                        entity = callANEW(textToAnalize, "ANEW2010All");
                    } else if (request.getParameter("algo").equalsIgnoreCase("ANEW2010Men")) {
                        entity = callANEW(textToAnalize, "ANEW2010Men");
                    } else if (request.getParameter("algo").equalsIgnoreCase("ANEW2010Women")) {
                        entity = callANEW(textToAnalize, "ANEW2010Women");
                    }
                }

                if (entity != null) {
                    InputStream instream = entity.getContent();
                    try {
                        BufferedReader in = new BufferedReader(new InputStreamReader(instream));
                        String inputLine;
                        StringBuffer marl = new StringBuffer();

                        while ((inputLine = in.readLine()) != null) {
                            marl.append(inputLine);
                            marl.append("\n");
                        }
                        in.close();
                        eurosentiment = marl.toString();
                        session.setAttribute("eurosentiment", eurosentiment);

                    } finally {
                        instream.close();
                    }
                }
            } catch (Exception e) {
                System.err.println(e);
            }
        } else {
            forward = RESPONSE_JSP;
            eurosentiment = "There is no intype, informat or outformat especified";
            session.setAttribute("eurosentiment", eurosentiment);
        }
    } else {
        forward = RESPONSE_JSP;
        eurosentiment = "There is no input";
        session.setAttribute("eurosentiment", eurosentiment);
    }
    view = request.getRequestDispatcher(forward);
    view.forward(request, response);

}

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